偏导数与全导数的关系 以及 偏微分与全微分的关系希望能从代数意义与几何意义两个方面解答,最好有例子.不胜感激z=f(xy,x^2-y^2)的全导数怎么求?
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![偏导数与全导数的关系 以及 偏微分与全微分的关系希望能从代数意义与几何意义两个方面解答,最好有例子.不胜感激z=f(xy,x^2-y^2)的全导数怎么求?](/uploads/image/z/8284112-8-2.jpg?t=%E5%81%8F%E5%AF%BC%E6%95%B0%E4%B8%8E%E5%85%A8%E5%AF%BC%E6%95%B0%E7%9A%84%E5%85%B3%E7%B3%BB+%E4%BB%A5%E5%8F%8A+%E5%81%8F%E5%BE%AE%E5%88%86%E4%B8%8E%E5%85%A8%E5%BE%AE%E5%88%86%E7%9A%84%E5%85%B3%E7%B3%BB%E5%B8%8C%E6%9C%9B%E8%83%BD%E4%BB%8E%E4%BB%A3%E6%95%B0%E6%84%8F%E4%B9%89%E4%B8%8E%E5%87%A0%E4%BD%95%E6%84%8F%E4%B9%89%E4%B8%A4%E4%B8%AA%E6%96%B9%E9%9D%A2%E8%A7%A3%E7%AD%94%2C%E6%9C%80%E5%A5%BD%E6%9C%89%E4%BE%8B%E5%AD%90.%E4%B8%8D%E8%83%9C%E6%84%9F%E6%BF%80z%3Df%28xy%2Cx%5E2-y%5E2%29%E7%9A%84%E5%85%A8%E5%AF%BC%E6%95%B0%E6%80%8E%E4%B9%88%E6%B1%82%EF%BC%9F)
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